Sales Tax Calculator - Add or Remove Sales Tax
Add sales tax to a price or work backward from a tax-inclusive total for receipts, quotes, invoices, and retail checks.
Interactive tool
This tool runs in your browser. Enable JavaScript to use the interactive features.
Quick Guide
The sales tax calculator applies a tax rate to an amount or extracts tax from a total that already includes tax.
- Enter the price and sales tax percentage.
- Choose whether to add tax or remove tax from the amount.
- Use the subtotal, tax amount, and final total in your workflow.
Best for: Invoices, receipts, quotes, retail checks, and business calculations.
What this tool does
The sales tax calculator applies a tax rate to an amount or extracts tax from a total that already includes tax.
Important note: Sales tax rates vary by jurisdiction and product type. Verify official tax rules for compliance-sensitive work.
Useful examples
- Add 8.25% sales tax to a product price.
- Find the pre-tax amount from a tax-inclusive receipt.
- Estimate tax before preparing a quote.
FAQs
Can this remove tax from a total?
Yes. Use the remove-tax mode to estimate the pre-tax amount and tax portion from a tax-inclusive total.
Are sales tax rates built in?
No. Enter the rate that applies to your location or transaction.